A CIVIC BIOLOGY 



Presented in Problems 



BY 



GEORGE WILLIAM HUNTER, PH.D. 



i 



PROFESSOR OP BIOLOGY, KNOX COLLEGE, GALESBURG, ILLINOIS; FORMERLY 



HEAD OF THE DEPARTMENT OF BIOLOGY, DE WITT CLINTON 



HIGH SCHOOL, CITY OF NEW YORK. 



AUTHOR OF "ELEMENTS OF BIOLOGY," "ESSENTIALS OF 



BIOLOGY," ETC. 



AMERICAN BOOK COMPANY 



NEW YORK CINCINNATI CHICAGO 



BOSTON ATLANTA 



